42 CFR § 456.100 - Scope.

---
identifier: "/us/cfr/t42/s456.100"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 456.100 - Scope."
title_number: 42
title_name: "Public Health"
section_number: "456.100"
section_name: "Scope."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "C"
subchapter_name: "MEDICAL ASSISTANCE PROGRAMS"
part_number: "456"
part_name: "UTILIZATION CONTROL"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 1302."
regulatory_source: "43 FR 45266, Sept. 29, 1978, unless otherwise noted."
cfr_part: "456"
---


# 456.100 Scope.

Sections 456.101 through 456.145 of this subpart prescribe requirements for a written utilization review (UR) plan for each hospital providing Medicaid services. Sections 456.105 and 456.106 prescribe administrative requirements: §§ 456.111 through 456.113 prescribe informational requirements; §§ 456.121 through 456.129 prescribe requirements for admission review; §§ 456.131 through 456.137 prescribe requirements for continued stay review; and §§ 456.141 through 456.145 prescribe requirements for medical care evaluation studies.